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#include <cstdio>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <vector>
#include <set>
#include <map>
#include <array>
#include <random>
#include <cmath>
#include <list>
#include <ctime>
#include <sstream>
#include <queue>
#include <climits>
#include <stack>
#include <random>
#include <bitset>
#include <numeric>
#include <cassert>
using namespace std;
typedef vector<int> vi;
typedef pair<int,int> pii;
typedef long long ll;
#define rep(x, b, e) for(int x=(b); x<(e); ++x)
#define trav(a, x) for(auto& a : x)
#define ford(x, b, e) for(int x=((int)(b))-1; x>=(e); --x)
#define all(c) c.begin(),c.end()
#define sz(x) ((int)((x).size()))
#define pb push_back
#define st first
#define nd second
#define mp(x,y) make_pair(x,y)
typedef short int sint;

#define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] "

const int N = 301010;
char t1[N], t2[N];

int main() {
	ios_base::sync_with_stdio(false); cin.tie(0);
	int n;
	scanf("%d", &n);
	scanf("%s", t1);
	scanf("%s", t2);
	map<char, int> wys[2];
	rep(i, 0, n) {
		++wys[i&1][t1[i]];
		--wys[i&1][t2[i]];
	}
	rep(k, 0, 2) {
		rep(j, 'a', 'z' + 1) {
			if (wys[k][j] != 0) {
				printf("NIE\n");
				return 0;
			}
		}
	}
	printf("TAK\n");
}